6x+9+5x=-6x+9 how many solutions does this equation have

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.

Askateboard ramp is in the shape of a right triangle what is the height of the ramp